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Analysis of free concentrations of lamotrigine and active oxcarbazepine metabolite in clinical patients by hollow-fiber centrifugal ultrafiltration. Bioanalysis 2022; 14:795-806. [PMID: 35848797 DOI: 10.4155/bio-2022-0048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Aim: To establish a simple and accurate method to explore the correlation between free and total concentrations of lamotrigine (LTG) and the active oxcarbazepine metabolite monohydroxy derivative (MHD) (10,11-dihydro-10-hydroxycarbamazepine) in clinical patients. Materials & methods: Serum samples were prepared by hollow-fiber centrifugal ultrafiltration and then injected into UPLC for analysis. Results: Absolute recovery was as high as approximately 90.1-98.6% with excellent precision (relative standard deviation <6.7%). Analysis time was reduced to 5 min. There were significant individual differences in the protein binding rates of both LTG and MHD that were probably due to the use of different clinical patients. Conclusion: Free concentrations of LTG and MHD cannot be estimated by total concentration in specific clinical patients. Free drug monitoring of LTG and MHD in clinical therapeutic drug monitoring is important and essential.
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Simultaneous quantification of oxcarbazepine and its active metabolite in spiked human plasma using ultra performance liquid chromatography-MS/MS. Bioanalysis 2021; 13:1259-1273. [PMID: 34463119 DOI: 10.4155/bio-2021-0125] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Aim: Clinical monitoring of oxcarbazepine (OXC) and its metabolite licarbazepine (MHD) in biological matrix requires a sensitive and validated analytical method. The aim of this study is to develop and validate an optimized ultra performance liquid chromatography-MS/MS based bioanalytical method for the simultaneous estimation of OXC and its metabolite MHD in human plasma, using deuterated internal standard method. Materials & methods: A reverse phase ultra performance liquid chromatography analysis and mass spectrometric detection was performed using electrospray ionization in positive ion mode as interface, multiple reaction monitoring as mode of acquisition. Results & conclusion: The linearity range was 10-4011 ng/ml for OXC and 40-16061 ng/ml for MHD. The kinetic parameters were calculated and compared for bioequivalence. This method fulfilled the validation guidelines, could be employed for determining bioavailability and in new formulation development studies.
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3
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Zhao Q, Jin S, Liu Q, Zhao Z, Feng W, Mei S. Simultaneous Determination of Lamotrigine, Topiramate, Oxcarbazepine, and 10,11-dihydro-10-hydroxycarbazepine in Human Blood Plasma by UHPLC-MS/MS. CURR ANAL CHEM 2020. [DOI: 10.2174/1573411016666200108143049] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Background:
Lamotrigine (LTG), topiramate (TPM), and oxcarbazepine (OXC) are
commonly used antiepileptic drugs. The bioactivity and toxicity of these drugs were related to their
blood concentrations which varied greatly among individuals and required to be monitored for dose
adjustment. However, the commercial method for monitoring of these drugs is not available in China.
Methods:
A UHPLC-MS/MS method for simultaneous determination of LTG, TPM, OXC, and OXC
active metabolite (10,11-dihydro-10-hydroxycarbazepine, MHD) was developed and validated according
to the guidelines and applied in clinical practice.
Results:
he separation was achieved by using methanol and water (both contain 0.1% formic acid)
at 0.4 mL/min under gradient elution within 3 min. For all analytes, the isotope internal standard was
used; the selectivity was good without significant carry over; LTG and TPM were linear between
0.06 to 12 mg/L while OXC and MHD were linear between 0.03 to 6 mg/L, the upper limit could be
10-fold higher because 10-fold dilution with water did not affect the results; the intra-day and interday
bias and imprecision were -13.11% to 5.42% and < 13.32%; the internal standard normalized recovery
and matrix factor were 90.95% to 111.94% and 95.57% to 109.91%; and all analytes were
stable under tested conditions. LTG and OXC-D4 shared two ion pairs m/z 257.1 > 212.0 and 257.1 >
184.0, and m/z 257.1 > 240.0 was suggested for OXC-D4 quantitation. Lamotrigine and lamotrigine-
13C3 shared three ion pairs m/z 259.0 > 214.0, 259.0 > 168.0 and 259.0 > 159.0, and m/z 259.0 >
144.9 was suggested for LTG-13C3 quantitation. CBZ had a slight influence on OXC analysis only at
0.225 mg/L (bias, 20.24%) but did not affect MHD analysis. Optimization of chromatography conditions
was useful to avoid the influence of isobaric mass transitions on analysis. This method has been
successfully applied in 208 patients with epilepsy for dose adjustment.
Conclusions:
An accurate, robust, rapid, and simple method for simultaneous determination of LTG,
TPM, OXC, and MHD by UHPLC-MS/MS was developed, validated, and successfully applied in patients
with epilepsy for dose adjustment. The experiences during method development, validation,
and application might be helpful for other researchers.
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Affiliation(s)
- Qing Zhao
- Department of Pharmacy, Beijing Tiantan Hospital, Capital Medical University, 119 Nansihuan West Road, Fengtai District, Beijing 100070, China
| | - Siyao Jin
- Department of Pharmacy, Beijing Tiantan Hospital, Capital Medical University, 119 Nansihuan West Road, Fengtai District, Beijing 100070, China
| | - Qingyang Liu
- Department of Pharmacy, Beijing Tiantan Hospital, Capital Medical University, 119 Nansihuan West Road, Fengtai District, Beijing 100070, China
| | - Zhigang Zhao
- Department of Pharmacy, Beijing Tiantan Hospital, Capital Medical University, 119 Nansihuan West Road, Fengtai District, Beijing 100070, China
| | - Weixing Feng
- Department of Neurology, Beijing Children’s Hospital, Capital Medical University, Beijing 100045, China
| | - Shenghui Mei
- Department of Pharmacy, Beijing Tiantan Hospital, Capital Medical University, 119 Nansihuan West Road, Fengtai District, Beijing 100070, China
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Erarpat S, Bodur S, Ayyıldız MF, Günkara ÖT, Erulaş F, Chormey DS, Turak F, Budak TB, Bakırdere S. Accurate and simple determination of oxcarbazepine in human plasma and urine samples using switchable-hydrophilicity solvent in GC-MS. Biomed Chromatogr 2020; 34:e4915. [PMID: 32529647 DOI: 10.1002/bmc.4915] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2020] [Revised: 05/27/2020] [Accepted: 06/08/2020] [Indexed: 12/18/2022]
Abstract
This work presents a sensitive and rapid analytical method for the determination of oxcarbazepine in human plasma and urine samples. A vortex-assisted switchable hydrophilicity solvent-based liquid phase microextraction (VA-SHS-LPME) was used to preconcentrate oxcarbazepine from the samples before the determination by gas chromatography mass spectrometry. The switchable hydrophilicity solvent was synthesized by protonating N,N-dimethylbenzylamine with carbon dioxide to make it totally miscible with an equivalent volume of water. Parameters of the VA-SHS-LPME method including volume of switchable hydrophilicity solvent, concentration/volume of sodium hydroxide and vortex period were systematically optimized. Under the optimum conditions, good linearity ranging from 27.03 to 353.47 μg/kg was obtained for the analyte. Limit of detection and quantitation values were found to be 6.2 and 21 μg/kg (mass base), respectively. The relative standard deviation was calculated as 6.9% for six replicate measurements of the lowest concentration of the calibration plot. Satisfactory recovery results were calculated in the range of 97-100% for human plasma and urine samples spiked at five different concentrations.
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Affiliation(s)
- Sezin Erarpat
- Yıldız Technical University, Faculty of Art and Science, Chemistry Department, Istanbul, Turkey
| | - Süleyman Bodur
- Yıldız Technical University, Faculty of Art and Science, Chemistry Department, Istanbul, Turkey
| | - Merve Fırat Ayyıldız
- Yıldız Technical University, Faculty of Art and Science, Chemistry Department, Istanbul, Turkey
| | - Ömer Tahir Günkara
- Yıldız Technical University, Faculty of Art and Science, Chemistry Department, Istanbul, Turkey
| | - Fatih Erulaş
- Siirt University, Faculty of Education, Department of Science Education, Siirt, Turkey
| | - Dotse Selali Chormey
- Yıldız Technical University, Faculty of Art and Science, Chemistry Department, Istanbul, Turkey
| | - Fatma Turak
- Yıldız Technical University, Faculty of Art and Science, Chemistry Department, Istanbul, Turkey
| | - Türkan Börklü Budak
- Yıldız Technical University, Faculty of Art and Science, Chemistry Department, Istanbul, Turkey
| | - Sezgin Bakırdere
- Yıldız Technical University, Faculty of Art and Science, Chemistry Department, Istanbul, Turkey
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Liu M, Wang Y, Jiang Y, Liu H, Chen J, Liu S. Quantitation of Oxcarbazepine Clinically in Plasma Using Surfaced-Enhanced Raman Spectroscopy (SERS) Coupled with Chemometrics. APPLIED SPECTROSCOPY 2019; 73:801-809. [PMID: 30990054 DOI: 10.1177/0003702819845389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Nondestructive, sensitive, near-real-time quantitative analysis approaches are gaining popularity and attention, especially in clinical diagnosis and detection. There is a need to propose an alternative scheme using surface-enhanced Raman spectroscopy (SERS) assisted by chemometrics to improve some defects existing using other analytical instruments to meet clinical demands. In this study, clinical drug oxcarbazepine (OXC) in human blood plasma has been quantified and detected using this method. Partial least squares regression (PLSR) modeling was employed to assess the relationship between full SERS spectral data and OXC concentration. The calibration set's correlation coefficient of the model is > 0.9, the result suggests that this method is favorable and feasible. Furthermore, other multivariate calibration algorithms like Monte Carlo cross-validation (MCCV) sample set partitioning based on joint XY distances (SPXY), adaptive iteratively reweighted penalized least squares (AIR-PLS), moving window partial least squares regression (MWPLS), and leave-one-out cross-validation were used to handle these spectral data to obtain an accurate predictive model. The results achieved in this study provide a possibility and availability for us to apply SERS in combination with chemometrics to diagnosis detection.
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Affiliation(s)
- Manhua Liu
- Department of Pharmacy, Xiangya Hospital, Central South University, Changsha, China
| | - Yangyang Wang
- Department of Pharmacy, Xiangya Hospital, Central South University, Changsha, China
| | - Yueping Jiang
- Department of Pharmacy, Xiangya Hospital, Central South University, Changsha, China
| | - Haitao Liu
- Department of Pharmacy, Xiangya Hospital, Central South University, Changsha, China
| | - Jingjing Chen
- Department of Pharmacy, Xiangya Hospital, Central South University, Changsha, China
| | - Shao Liu
- Department of Pharmacy, Xiangya Hospital, Central South University, Changsha, China
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Begas E, Tsakalof A, Dardiotis E, Vatidis GE, Kouvaras E, Asprodini EK. Development and validation of a reversed-phase HPLC method for licarbazepine monitoring in serum of patients under oxcarbazepine treatment. Biomed Chromatogr 2017; 31. [PMID: 28182284 DOI: 10.1002/bmc.3950] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2016] [Revised: 02/01/2017] [Accepted: 02/07/2017] [Indexed: 11/06/2022]
Abstract
Licarbazepine is the pharmacologically active metabolite of oxcarbazepine, a drug indicated for the treatment of partial seizures and bipolar disorders. Several HPLC methods have been developed thus far but there is lack of control for interferences from antipsychotic drugs. The aim of the present study was to develop a simple, low-cost and reliable HPLC-UV method for the determination of licarbazepine in human serum in the presence of co-administered antiepileptic, antipsychotic and commonly prescribed drugs. Sample preparation consisted of a single protein precipitation step with methanol. Separation lasted ~9 min on a reversed-phase C18 column using a mobile phase composed of 50 mm sodium-dihydrogen-phosphate-monohydrate/acetonitrile (70:30, v/v) delivered isocratically at 0.9 mL/min and 30°C. Wavelength was 210 nm and calibration curve was linear with r2 0.998 over the range 0.2-50.0 μg/mL. Coefficient of variation was <5.03% and bias <-4.92%. Recovery ranged from 99.49 to 104.52% and the limit of detection was 0.0182 μg/mL. No interferences from the matrix or from antiepileptic, antipsychotic and commonly prescribed drugs were observed. The method was applied to serum samples of patients under oxcarbazepine treatment and proved to be a useful tool for the therapeutic drug monitoring of licarbazepine during monotherapy or adjunctive treatment of seizures or affective disorders.
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Affiliation(s)
- Elias Begas
- Laboratory of Pharmacology, School of Medicine, University of Thessaly, Larissa, Greece
| | - Andreas Tsakalof
- Laboratory of Chemistry, School of Medicine, University of Thessaly, Larissa, Greece
| | - Efthimios Dardiotis
- Department of Neurology, University Hospital of Larissa, School of Medicine, University of Thessaly, Larissa, Greece
| | | | - Evangelos Kouvaras
- Laboratory of Pharmacology, School of Medicine, University of Thessaly, Larissa, Greece
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Development and validation of an enantioselective SFC-MS/MS method for simultaneous separation and quantification of oxcarbazepine and its chiral metabolites in beagle dog plasma. J Chromatogr B Analyt Technol Biomed Life Sci 2016; 1020:36-42. [DOI: 10.1016/j.jchromb.2016.03.013] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2015] [Revised: 03/12/2016] [Accepted: 03/14/2016] [Indexed: 11/22/2022]
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8
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Yin L, Wang T, Shi M, Zhang Y, Zhao X, Yang Y, Gu J. Simultaneous determination of ten antiepileptic drugs in human plasma by liquid chromatography and tandem mass spectrometry with positive/negative ion-switching electrospray ionization and its application in therapeutic drug monitoring. J Sep Sci 2016; 39:964-72. [PMID: 26711223 DOI: 10.1002/jssc.201501067] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2015] [Revised: 12/19/2015] [Accepted: 12/21/2015] [Indexed: 11/10/2022]
Affiliation(s)
- Lei Yin
- School of Life Science; Jilin University; Changchun PR China
- Clinical Pharmacology Center, Research Institute of Translational Medicine; The First Hospital of Jilin University; Changchun PR China
- Research Center for Drug Metabolism; Jilin University; Changchun PR China
| | - Tingting Wang
- School of Life Science; Jilin University; Changchun PR China
- Clinical Pharmacology Center, Research Institute of Translational Medicine; The First Hospital of Jilin University; Changchun PR China
- Research Center for Drug Metabolism; Jilin University; Changchun PR China
| | - Meiyun Shi
- School of Life and Medical Sciences; Dalian University of Technology; Panjin PR China
| | - Ying Zhang
- Clinical Pharmacology Center, Research Institute of Translational Medicine; The First Hospital of Jilin University; Changchun PR China
| | - Xiaojun Zhao
- Clinical Pharmacology Center, Research Institute of Translational Medicine; The First Hospital of Jilin University; Changchun PR China
| | - Yan Yang
- School of Life Science; Jilin University; Changchun PR China
| | - Jingkai Gu
- Clinical Pharmacology Center, Research Institute of Translational Medicine; The First Hospital of Jilin University; Changchun PR China
- Research Center for Drug Metabolism; Jilin University; Changchun PR China
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9
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Lewis RJ, Angier MK, Johnson RD. False Carbamazepine Positives Due to 10,11-Dihydro-10-Hydroxycarbamazepine Breakdown in the GC–MS Injector Port†. J Anal Toxicol 2014; 38:519-23. [DOI: 10.1093/jat/bku064] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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10
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Raghavi K, Sindhura M, Prashanthi R, Nalluri BN. RP-HPLC-PDA method development and validation for the estimation of oxcarbazepine in bulk and formulations. ACTA CHROMATOGR 2013. [DOI: 10.1556/achrom.25.2013.3.8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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11
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High-Performance Liquid Chromatography–Tandem Mass Spectrometry Method for Simultaneous Quantification of Carbamazepine, Oxcarbazepine, and Their Main Metabolites in Human Serum. Ther Drug Monit 2012; 34:53-8. [DOI: 10.1097/ftd.0b013e3182425168] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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12
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Therapeutic drug monitoring and LC–MS/MS. J Chromatogr B Analyt Technol Biomed Life Sci 2012; 883-884:33-49. [DOI: 10.1016/j.jchromb.2011.09.041] [Citation(s) in RCA: 95] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2011] [Revised: 09/14/2011] [Accepted: 09/22/2011] [Indexed: 11/24/2022]
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13
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Bhatt M, Shah S, Shivprakash. Rapid ultraperformance liquid chromatography-tandem mass spectrometry method for quantification of oxcarbazepine and its metabolite in human plasma. Biomed Chromatogr 2010; 25:751-9. [DOI: 10.1002/bmc.1510] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2010] [Accepted: 06/30/2010] [Indexed: 11/10/2022]
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14
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Saracino MA, Tallarico K, Raggi MA. Liquid chromatographic analysis of oxcarbazepine and its metabolites in plasma and saliva after a novel microextraction by packed sorbent procedure. Anal Chim Acta 2010; 661:222-8. [DOI: 10.1016/j.aca.2009.12.030] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2009] [Revised: 12/18/2009] [Accepted: 12/21/2009] [Indexed: 11/28/2022]
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15
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Hunek C, Burgyan M, Wang S. Measurement of 10,11-dihydro-10-hydroxy-carbamazepine in serum and plasma by high-performance liquid chromatography. Clin Chem Lab Med 2008; 46:1429-33. [DOI: 10.1515/cclm.2008.276] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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16
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Development and validation of a LC/MS/MS method for simultaneous quantification of oxcarbazepine and its main metabolites in human serum. J Chromatogr B Analyt Technol Biomed Life Sci 2007; 860:153-9. [DOI: 10.1016/j.jchromb.2007.10.025] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2007] [Revised: 10/10/2007] [Accepted: 10/15/2007] [Indexed: 11/17/2022]
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